Uranus looks calm from a distance, but it is one of the strangest planets ever discovered. With a sideways rotation, broken ...

Strange ‘super-puff’ planets as big as Jupiter but lighter than cotton candy found - Rare planets are lightest known of their ...

Two newly confirmed "super-puff" planets are so diffuse that they are less dense than cotton candy, despite being about the size of Jupiter. Their rare orbital relationship and enormous, lightweight ...

A mysterious "rogue" planet has been observed gobbling six billion tons of gas and dust a second—an unprecedented rate that blurs the line between planets and stars, astronomers said Thursday. Unlike ...

A groundbreaking super-puff planet discovery has revealed two giant exoplanets with densities below cotton candy, changing how scientists understand alien worlds. These Jupiter-sized planets show that ...

Astronomers have catalogued more than five thousand planets orbiting distant stars, and a handful of them defy almost everything scientists thought they knew about how planets should look or behave.

Using Webb's ability to isolate faint planetary light from the glare of a nearby star, a team led by Northwestern University ...

Hot Jupiters rank among the strangest planets astronomers have ever found. They are gas giants as massive as Jupiter, yet they race around their stars in just a few days. Since the first such world ...